netdev - Re: Network performance with small packets

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Date:	Wed, 02 Feb 2011 09:12:57 -0800
From:	Shirley Ma <mashirle@...ibm.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Sridhar Samudrala <sri@...ibm.com>,
	Steve Dobbelstein <steved@...ibm.com>,
	David Miller <davem@...emloft.net>, kvm@...r.kernel.org,
	mashirle@...ux.vnet.ibm.com, netdev@...r.kernel.org
Subject: Re: Network performance with small packets

On Wed, 2011-02-02 at 17:48 +0200, Michael S. Tsirkin wrote:
> And this is with sndbuf=0 in host, yes?
> And do you see a lot of tx interrupts?
> How packets per interrupt?

Nope, sndbuf doens't matter since I never hit reaching sock wmem
condition in vhost. I am still playing around, let me know what data you
would like to collect.

Thanks
Shirley

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